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» Managing Expressions as Data in Relational Database Systems
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EJC
2003
15 years 7 months ago
A Dialogue Manager for Accessing Databases
We present a logic programming based dialogue system that enables the access in natural language to the heterogeneous external relational databases of the Évora University. The p...
Salvador Abreu, Paulo Quaresma, Luis Quintano, Ire...
IV
2002
IEEE
129views Visualization» more  IV 2002»
15 years 11 months ago
Design and Implementation of a Visual Query Language for Large Spatial Databases
In this paper a visual approach to querying in large spatial databases is presented. A diagrammatic technique utilising a data flow metaphor is used to express different kinds of...
Andrew J. Morris, Alia I. Abdelmoty, Douglas Tudho...
ADC
2008
Springer
146views Database» more  ADC 2008»
16 years 16 days ago
A Typed Higher-Order Calculus for Querying XML Databases
As the eXtensible Markup Language (XML) is about to emerge as a new standard for databases, the problem of providing solid logical grounds for XML query languages arises. For the ...
Qing Wang, Klaus-Dieter Schewe
DOLAP
2010
ACM
15 years 4 months ago
Towards OLAP query reformulation in peer-to-peer data warehousing
Inter-business collaborative contexts prefigure a distributed scenario where companies organize and coordinate themselves to develop common and shared opportunities. Traditional b...
Matteo Golfarelli, Federica Mandreoli, Wilma Penzo...
SIGMOD
2008
ACM
141views Database» more  SIGMOD 2008»
16 years 6 months ago
SGL: a scalable language for data-driven games
We propose to demonstrate SGL, a language and system for writing computer games using data management techniques. We will demonstrate a complete game built using the system, and s...
Robert Albright, Alan J. Demers, Johannes Gehrke, ...